December Weather in San Jose del Rio, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Jose del Rio, Mexico is a cool 11°C (53°F), with a range that can dip as low as -8°C (18°F) and peak at a comfortable 26°C (79°F). Expect some light precipitation, averaging 9 mm (0.4 in) over the course of 1 day, and enjoy the characteristic 83% humidity that adds to the unique atmosphere of the season.

December Temperature in San Jose del Rio

In December in San Jose del Rio, the average temperature is 11°C (53°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -8°C (18°F). This variation in temperature makes it essential for travelers to pack accordingly to enjoy their stay comfortably.

December Weather in San Jose del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Jose del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose del Rio, December typically has an average temperature of 11°C (53°F), with highs reaching up to 26°C (79°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for San Jose del Rio generated using information from the Copernicus Climate Change Service.

December Precipitation in San Jose del Rio

In San Jose del Rio in December, the precipitation amount is 9 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in San Jose del Rio

The chart displays monthly precipitation patterns in San Jose del Rio, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In San Jose del Rio, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in San Jose del Rio

In San Jose del Rio in December, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.

December Average Humidity in San Jose del Rio

This chart illustrates the average monthly humidity levels in San Jose del Rio, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in San Jose del Rio is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jose del Rio

In San Jose del Rio in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Jose del Rio.

Maximum UV Index Levels in San Jose del Rio for December

The chart shows the monthly maximum UV Index (UVI) for San Jose del Rio in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in San Jose del Rio typically reaches 8, which falls under the very high exposure category.

Data source: San Jose del Rio December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in San Jose del Rio Compares to Other Months

Weather in San Jose del Rio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Jose del Rio, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Jose del Rio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	15 mm (0.6 inches)	71%	very high
February Weather	13°C (56°F)	11 mm (0.4 inches)	64%	extreme
March Weather	16°C (62°F)	7 mm (0.3 inches)	49%	extreme
April Weather	18°C (65°F)	6 mm (0.2 inches)	47%	extreme
May Weather	21°C (69°F)	16 mm (0.6 inches)	55%	extreme
June Weather	21°C (70°F)	65 mm (2.6 inches)	77%	extreme
July Weather	19°C (66°F)	145 mm (5.7 inches)	82%	extreme
August Weather	19°C (67°F)	77 mm (3.0 inches)	83%	extreme
September Weather	17°C (63°F)	116 mm (4.6 inches)	86%	extreme
October Weather	17°C (62°F)	49 mm (1.9 inches)	83%	extreme
November Weather	14°C (57°F)	15 mm (0.6 inches)	80%	very high
December Weather	11°C (53°F)	9 mm (0.4 inches)	83%	very high